汽车悬架非线性阻尼振动特性与平顺性优化
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关键词：悬架振动模型；悬架非线性；行驶平顺性；减振器阻尼匹配中图分类号：U461.4 收稿日期：2026-01-05 DOI：10.19999/j.cnki.1004-0226.2026.04.002
Analysis and Optimization of Nonlinear Damping Vibration Characteristics and Ride Comfort for Vehicle Suspension
Liu Yongfu Long Aijun Zhou Huan Huang Wang Liu Dongfu Hu Xincai CRRC Electric Vehicle Co.，Ltd.，Zhuzhou 412000，China
Abstract：Topredictandvalidate theridecomfortofanew suspensionscheme，atwo-degre-of-fredomsuspensionvibration time-domainsimulationmodelwasestablishedbasedonMATLAB/Simulink，inwhichthenonlineardampingoftheshockabsorber wasdescribedbyapiecewiselinearapproach.Onthisbasis，aflteredwhitenoisemethodwasusedtoconstructatime-domainmodel ofrandomroadunevenessasrandomroadexcitationinput，ndavehiclepulseexcitationinputmodelwasbuiltusingspeedbumpprofiledatatoverifytheimpactoftheonlinearsuspensionsystemonehiclevibration.Finallybasedononlineardampingparameterinputs，throotmeansquarevalueandpeakacelerationofthevehclebodyverticalaelerationweretakenasoptimizationojectivesto specificallyimprovevehicleridecomfortRidecomfortoptimizationthroughthesimulationmodelefectivelyacceleratedthedesign process，reducedpysicalestingndlowereddevelopmentcostsThisapprochisowincreasinglybengaliedinengiengdesign.
Key words：Suspension vibration model;Suspension nonlinearity;Ride comfort;Damper damping matching
1前言
随着我国经济的增长，物流运输需求增大，人口老龄化加剧，物流车更注重乘坐的舒适性。（剩余7345字）